STN Support

STN LogoSTN Support                                     

What type of support do you need?

Contact the CAS Customer Center for all of your STN software, technical and other support needs.

In North America, contact the CAS Customer Center and STN Helpdesk by phone, email or fax.


8 a.m. - 8 p.m. Eastern Time (Monday - Friday)







1-800-753-4227 (North America)

Option 2
: General information or account-related
Option 3: Assistance with search strategies, database
content, or using a product
Option 4: Technical assistance with software setup,
installation, and configuration 

+1 614-447-3700 (outside North America)




Customers outside of North America should contact their local STN service center.


STN News - What's New on STN

   October, 2015 | Highlights from the PIUG 2015
   Northeast Conference
   September, 2015 | PatentPak - A Time Saving
   Solution for IP Professionals - Is Coming to STN
   in Early 2016!
   July/August, 2015 | Latest New STN Release Features
   Eight New Databases Including MARPAT from CAS for
   Markush Structure Searching


View or sign-up for STN News e-Newsletter

STN Training

Training Events
     The Secret Life of CAplus
      November 24, 1pm EST

     New STN: Introduction (presented in French)
      December 1, 9am EST

     Unified Markush Search on new STN
      December 1, 9am EST
      December 1, 1pm EST

     Exploring GENESEQ(TM) (DGENE) on STN
      December 8, 4am EST
      December 8, 9am EST

     Derwent Markush Resource (DWPIM) now 
      available on STN!
      December 10, 4am EST
      December 10, 9am EST
      December 10, 2pm EST

     Structure Searching on new STN
      December 15, 1pm EST
      December 17, 9am EST
Click here to Register

Contact Us

E-mail   Phone & Fax   800-753-4227 (North America)
    614-447-3700 (Worldwide)
    614-447-3751 (Fax)

        Information on Chemical Supplier Program